Display posts from several custom taxonomies:

$args = array(
	'post_type' => 'post',
	'tax_query' => array(
		'relation' => 'AND',
		array(
			'taxonomy' => 'movie_genre',
			'field'    => 'slug',
			'terms'    => array( 'action', 'comedy' ),
		),
		array(
			'taxonomy' => 'actor',
			'field'    => 'term_id',
			'terms'    => array( 103, 115, 206 ),
			'operator' => 'NOT IN',
		),
	),
);
$query = new WP_Query( $args );